Home / 117,604.91-176,757.29-55,319.15

Finding the Fourth Proportional to 117,604.91, 176,757.29 and 55,319.15

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Solution

The fourth proportional to 117,604.91, 176,757.29 and 55,319.15 is: 83,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,604.91 : 176,757.29 = 55,319.15 : x
  2. Step 2: Convert to fraction form
    117,604.91/176,757.29 = 55,319.15/x
  3. Step 3: Cross multiply
    117,604.91x = 176,757.29 × 55,319.15
  4. Step 4: Simplify right side
    117,604.91x = 9,778,061,878.72
  5. Step 5: Solve for x
    x = 9,778,061,878.72/117,604.91
  6. Step 6: Final answer
    x = 83,143.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.